1. State how the trachea helps to protect us from disease. Choose 2.
2. The skin is an example of a (physical/chemical) barrier, while the stomach acid is a (physical/chemical) barrier. (2)
3. Name two diseases caused by bacteria. Your answer should include 1 symptom for each disease. (4)
4. Name the type of microscope used to identify sub-cellular structures. (1)
5. Name the type of graph you would draw if your data was continuous. (1)
Challenge - Explainhow a mosquito can be a vector
Which best describes the process of phagocytosis?
Which best describes how antibodies help destroy pathogens?
Which type of blood cell produces antibodies?
Which best describes the role of antitoxins in fighting pathogens?
_________ help defend against pathogens inside the body
2._____________ are white blood cells which produce antibodies.
3. Unique proteins on the surface of a pathogen are called:
4. Which of these bind to unique proteins on the surface of a pathogen?
1.Which process involves surrounding and engulfing the pathogen?
2. What happens to the pathogen once it has been engulfed?
3. What specific protein is made by the white blood cells?
4.Where do these proteins bind on the pathogen?
5. Which chemicals are produced to neutralise toxins?